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Carmex Thread Turning Internal Insert - 55 Degree Partial - Right Hand - 16IRG55BLU
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | 55 Degree Partial |
| Pitch | 1.75-3.0 (14-8) |
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The ones our customers buy most.Description
The Carmex Thread Turning Internal Insert is a specialized 55-degree partial, right-hand insert designed for precise internal threading. Built to perform across a wide range of standards, it is ideal for shops, engineers, and trades professionals who need reliable, consistent thread results—from simple repairs to more demanding production tasks. This high-quality, laydown triangular insert delivers clean, accurate threads and predictable performance across many materials, helping you complete projects with confidence and fewer tool changes.
- Broad thread-standards compatibility: Designed to cover the majority of common thread standards, reducing tool changes and accelerating setup so you can move from one job to the next with ease.
- 55-degree partial geometry for clean, precise threads: The 55-degree profile delivers accurate internal threads with a smooth finish and reliable chip control, even on varied materials.
- Durable, stable laydown triangular design: The laydown triangle provides stable seating and consistent performance in demanding applications, helping improve tool life and reduce rework.
This insert supports streamlined workflows, minimizes downtime, and delivers dependable thread quality across batches. By enabling quick, repeatable results on internal threads, it helps you meet tight tolerances and finish requirements with less guesswork—great for production environments and on-the-spot repairs alike.
Part Numbers
- Protool Part Number
- 16IRG55BLU
- Brand
- Carmex
- Category
- Thread Turning
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
What time are Protool open?
We are open Monday to Friday between 8:30am and 5pm.
Do you offer Free Next Day delivery?
Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.
We also offer the following:
- Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
- DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
- Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
- DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.
For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.
*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.



